diff --git a/src/address_parser.c b/src/address_parser.c
index 187bada5..bb8e2f31 100644
--- a/src/address_parser.c
+++ b/src/address_parser.c
@@ -942,6 +942,10 @@ address_parser_response_t *address_parser_parse(char *address, char *language, c
     tokenized_string_destroy(tokenized_str);
     cstring_array_destroy(token_labels);
 
+    if (is_normalized) {
+        free(normalized);
+    }
+
     return response;
 }